Electric zinc-furnace with integral condenser.



C. V. & MITHIERRY.

mmmo me Name WITH INTEGRAL CONDENSER.

APPLICATION FILED MAY 21.1913. 1 s 1 22,654,, Patented Dec. 29, 1914.

2 SHEETSSHEBT 1.

V. & M.

ELECTRIC 21m FURNACE WITH INTEGRAL CONDENSER.

THIERRY.

APPLIUATION TILED MAY 21. W15.

Patented Dec. 29, 1914 mmmw,

to the resistoy.

memes. were iii-imam" iijii,

I3?) IVIXCEEFQE! TEIEEEY. 0E PARIS, IFRHLNCE.

ELEiJ'iREC ZZIJOFUEIQAGE INTEGRAL CONDEZTSER.

liveliest-i053 filed his"? $31, 1913. site 1%. 7655 2,

To all whom ms con er n:

Be it knows that We, @HABL-Efi View Tn iii ii and MICH 'fi ieg ez, lootli citi- Zens cf the epublic of France", and residents of the city ofParis, said, Repiiblic of France, have invested certain new and usefullmprox 'e ents in ElectricZihc-llui iaces withlntegral Cpii lehse s,{Cese t which the fellowing is e specificatior r This i ventie relates;to the ligete'lhirgy of zinc, having for its object production ofzinc-fume and its subsequent condensation to liquid metal. Thepsi'tieulei I; ens foiatteining the desifed results me. such anelucidation of the generhl principles involved as may appear necessarywill he concurrently described and; peinted out in cenne "ion with theiiccqmpanying draw- L- ings; which dehote as e bodimei t oi theinvention. i t Figure 1 is 2L transverse center section, as en the lineA, and ,Fig 2 is a horizontal seclien and plan, as along the plane 13 toC and thence following the plane l The fur. see is psi'tieulerljintended fer reduction 9f exid zinc as for instance 01" he corrimere' lerades csmbii ed with en, in she term colge, eoel er the like, whereby,when adequately UlCl if of inparr t-i've i his; grade any h f ll w ngseerezieuen nsues, ii aimslyt The heat necessary for decompesing thecharge is de 'ived by direct condiietic by radiatim 03: lay heth, free;e, .lTESl$iIJZ,ii;, foxed of Q, bed 6;? broken eerho' interpolatedbetween terininelsfss 3, suitehly connected is e seuice ct electiieenergy, indicated by the pewet circuit, P is crcss section, the resistoris thin, with respect to its breadth, we, is supperted s ang its lowernairmy'edge in a sump, 4;. One at vertichl longitudinal sides 0? theresistor p ete 'ehly confined by the inedges pi t e vertically ext ei dipg spaced 1 as 5, W re sl pessd t e s e e y we, e e pr sidethe plates 5s set essf pla and between Patented Be 29, 1914.

chutes or pockets, as S, Whose bottoms, '5, may be sloped dow vardlytoward the sump. The chemher space, H, abeye the 'es stcr, inclcsed bybricks, as 7, maybe. filled with carbon, for the purppse, say, of servine as a, reserve supply be replace hausteil carbon in the mo r'eactive underlying zone 0f the resisto The side-pockets t re to besupplied with a charge-material (Zi Q and C), as J, whence thez'eactior'i will take place alogig the ertical iongitj clinel i ace, ofthe es st r, Dispcsed elgipg the opposite side of he resist-0r are aplurelity of refractory condense; tubes, es 9, open both ends,preferably sloping dOWQWDJdlY away from the resistor. These tulies areto be filled with carbon, as shewn. At those en ds of the t bes whichare farthest from the resisto r is a, vertical space, or filter-chamber,T, the lsettezn of which, 10, serves as a zinc reservoir from whichcollected metal may, in various suitable manners, be ccntimmusly orintermittently withdrawn. The chanil:er,T, is intended to he more orless filled with carhcn, serying as final filter for the upwardlyescaping gases, and manifestly any zinc ce dense il' therein willgi'svitzite to the reservoir. The carbon the condensing tubes ispreferably packed se as to be in physical contact with theresistor-1351113011 and that ce tziined in. the filter chamber. liaisingnormal operm ties, the hemperstur'e of the carbon in the tubespregressiveiy diminishes from the resister tethe filter chamber, and therate of radiation therefrom may be augmented or diminished by remevingc2 appl' ieg hlahle sting materiel, as V, is the opeh s s 2, erga' VJ,above the tubes, hi by'heafting or cooling '22 fine, as Y, fez-med in.that portion 9;? the furnace'iiall which. is opposite Q7. adjacent tethe outlet ends of the laibes. 1: 1 tithes erds, if for instehcethe fineY is heehed, as by 'means 5; ass or electrically from a sesistoi', thiswill impart heat t0 the filter-carbon and thence to the carbon in thecondensing tubes; it clear thetthe difference at temperz'it 'e be;

will thus he tween the resistor, thetafects the eactiqii,

maintained by applying a heating or cooling medium to the interior ofthe line Y when required. The temperature between the resistor lastreferred to and the filter chamber so as to be able to utilize theiiltercarbon as a direct resistor whereby the interior of the filter canbe heated as desired.

When the reaction is in progress, the developed fume and gas, or gases,must pass directly through the hot resistor in horizontal planes, thenceentering and traversing the several condenser-tubes wherein the liquatedfume gravitates to the trough or receptacle at the bottoni of the filterchamber T, in the manner denoted by arrow 12, and the residual gasesflow upwardly, as denoted by the arrow'13, through the filter chamberand finally out to the atmosphere. The freedom of gas-flow through thefiltering carbon, and the volume or intensity of the flame if burned to(10,, may be conveniently controlled by a damper or, slidable bricks, as14.

The conditipns and construction here described and illustrated arefavorable for realizing a, rapid and uniform rate of reaction and highefiiciency in the condensation of fume to liquid metal. Moreover, such atype of combined furnace and condenser is easy and inexpensive to build,and the cost of maintenance is of nominal amount.

The invention is not to be limited by the precise lines of the drawings,as various detail modifications may be made in the design withoutdeparting from the spirit and essence thereof.

We claim as our invention:

1. in an electric zinc furnace a longitudinally extending bed of carbonresistor,

a charging pocket or pockets disposed along one of thevertical sides ofsaid resistor, a plurality of transversely disposed tubes, filled withcarbon which are arranged along the other vertical. side of saidresistor and a space or chamber with which'the said tubes communicate.

2. In an electric zinc furnace a bed of carbon resistor along one ofwhose vertical sides the reaction takes place, and a system ofcondensing tubes arranged along the other vertical face of saidresistor, all of the vol-utilized products of the reaction being therebycaused to first pass through the interstices of said resistor and thencedirectly to and intothe condensing tubes.

3. In an electric zinc furnace, the combination with a longitudinallyextending bed of carbon resistor and a filter chamberparallel thereto,of a plurality of trans versely extending interposed connectingcondenser tubes.

4. In an electric zinc furnace, the coin bination with a bed of carbonresistor and a parallel filter chamber, of a plurality of interposedconnecting condenser tubesiilled with carbon which is in physicalcontact with the carbon in the resistor and the filter carbon.

5.- An electric zinc furnace having a plurality of condenser tubesleading from a bed of carbon resistor to the interior of a filterchamber, and provided with an open space or gap above the said tubesfrom whence the rate of heat-radiation may be regulated or controlled.

6. In an electric zinc furnace a bed of carbon resistor, a filterchamber provided therein with filter carbon, a plurality ofcarbon-filledcondenser tubes for receiving the fume from the carbonresistor, said tubes communicating with the interior of the filterchambers and means for heating or cooling the carbon contained in saidfilter chamber.

7. In a combined zinc furnace and condenser a longitudinally extendingreaction chamber provided therein with a resistor, a series oftransversely extending condensing tubes and a longitudinally extendingfilter chamber, the condenser tubes be ing interposed between theresistor and the filter, said resistor being formed of broken carbon,the filter chamber being provided therein with broken carbon and thecondenser tubes being filled with carbon which contacts at one end ofeach of the tubes with the resistor carbon and at the other end of eachof the tubes with the filter carbon.

8. In a combined zinc furnace and condenser a longitudinally extendingcarbon resistor, a longitudinally extending carbon filter medium, andinterposed therebetween a series of transversely extending connectingcondensing tubes provided therein with carbon.

9. In a zinc furnace a longitudinally extending resistor arranged so asto receive along one face thereof the charge, there being located at theopposite face thereof a system of condensing tubes which is filled withbroken carbon which contacts with the resistor and also with the brokencarbon in a filter chamber of the furnace whereby the gaseous 'products'of the reaction pass through the resistor, the metallic fumes beingprincipally condensed to liquid zinc ,jnthe system of condensing tubesand the residual products passing. from the condensing system throughthe carbon in the filter prior to escaping to the atmosphere.

.10. A furnace having a longitudinally. ex-

tending carbon resistor in a reaction chai'nber,

a longitudinally extending filter chamber, a

series of transversely extending coniensing; tubes leading from theresistor to the interior of the filter chamber and means 1r;- eutedadjacent 0 the ends of the condenser iubes for conrolling the chambertemperw ture, the condenser tubes and the filter chamber being providedwith carbon.

This specificaiion signed and Witnesseii CHARLES VICTOR TIHEREY. MICHELTHEERRY.

Signed in the presence 0i? RAOUL THOMAS, :HANSON C. Com.

